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Pigmented villonodular synovitis managed by Yttrium 90 after debulking surgery
Hayati Ozturk1, Okay Bulut, Zekeriya Oztemur
1Department of Orthopedics and Traumatology, Cumhuriyet University School of Medicine, Sivas, Turkey. hozturk@cumhuriyet.edu.tr
Saudi Medical Journal
|August 12, 2008
Summary
Pigmented villonodular synovitis (PVNS) treatment combining debulking surgery and Yttrium-90 (90Y) intra-articular injection shows promising outcomes. This approach effectively reduced synovial thickness and joint effusion in knee PVNS patients.
Area of Science:
- Orthopedics
- Oncology
- Radiology
Background:
- Pigmented villonodular synovitis (PVNS) is a rare, benign neoplastic proliferation of the synovium.
- Effective management of PVNS, particularly in the knee joint, remains a challenge.
Observation:
- A retrospective study evaluated seven patients with knee PVNS treated with debulking surgery followed by intra-articular Yttrium-90 (90Y) injection.
- Surgical approaches included arthroscopic synovectomy and mini arthrotomy.
- Magnetic resonance imaging (MRI) was used to assess synovial thickness and joint effusion pre- and post-treatment.
Findings:
- The combined treatment led to complete resolution of synovial thickening on MRI.
- Preoperative diffuse joint effusion significantly decreased post-treatment.
- No recurrence of PVNS was observed during the mean follow-up period of 47.8 months.
- Musculoskeletal Tumor Society (MTS) scores indicated favorable functional outcomes.
Implications:
- The combination of debulking surgery and intra-articular 90Y injection appears to be an effective and safe treatment modality for knee joint PVNS.
- This therapeutic strategy may offer a viable option for managing PVNS, potentially preventing recurrence and improving joint function.
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